Youth 6 - 18 can take part in "On Your Mark with Highmark Youth Challenge" this summer. Each child age 6 to 12 who completes one 5K #footrace in the City of Pittsburgh #CommunityFootraceSeries — or each youth age 13 to 18 who completes two of the footraces — receives free registration to Richard S. Caliguiri City of Pittsburgh Great Race 5K on Sept 25 courtesy of Highmark. Four races this summer -- first is Sunday in #SchenleyPark and you can register on site. Complete schedule: pittsburghpa.gov/events/footraces